JP4992709B2 - Thread traverse guide - Google Patents

Description

  The present invention relates to a yarn traverse guide used in a yarn winding device that winds a traveling yarn while traversing a running bobbin.

  A yarn winding device for winding a traveling yarn around a rotating bobbin while traversing the traveling yarn is equipped with a yarn traverse guide for traversing the traveling yarn in the axial direction of the bobbin. As an example of a yarn traverse guide, in order to restrict the running of the yarn against the force (tension) acting on the yarn in the yarn running direction and the force acting on the yarn in the traverse direction, A yarn traverse guide composed of two free rollers (free rotation rollers) arranged in parallel is known.

  In this yarn traverse guide, the traveling yarn passing toward the winding bobbin passes through the gap between the two free rollers, and the two free rollers traverse in the axial direction of the winding bobbin, so that the traveling yarn is As the yarn is traversed in the axial direction of the winding bobbin, the yarn is wound around the winding bobbin.

  However, such a yarn traverse guide has a problem that it is extremely difficult to thread the yarn onto the yarn traverse guide. In order to cope with such a problem, a yarn traverse guide composed of a combination of an annular guide and two free rollers arranged in parallel with a gap is proposed in Patent Document 1. This annular guide has an opening that leads from the outside to the inside of the annular guide at a position corresponding to the position of the gap between the two free rollers. The yarn is threaded from this opening into the gap between the two free rollers.

  By this conventional technique, the threading operability to the yarn traverse guide is greatly improved. However, in this prior art, a force in a direction different from the traverse direction (hereinafter, simply referred to as a direction different from the traverse direction) is a direction that intersects the yarn travel direction or the yarn travel direction. When this occurs, the position of the running yarn cannot be regulated by the yarn traverse guide. That is, there is a defect that the yarn deviates from the yarn traverse guide and cannot be traversed.

  In particular, a turret (revolving) type yarn winding device as proposed in Patent Document 2 has recently become widespread, and in such a turret (revolving) type yarn winding device, from a full bobbin to an empty bobbin. When the turret (revolving) at the time of yarn switching or when cutting the yarn with a cutter, the axial force of the free roller acts on the yarn, causing the yarn to deviate from the yarn traverse guide Occurs. When this phenomenon occurs, the traveling yarn that deviates from the yarn traverse guide and heads toward the full bobbin is slidably contacted with the frame of the winding device, damaged, and for switching to winding to an empty bobbin. This causes a problem that the yarn cannot be cut by the cutter.

  On the other hand, a yarn traverse guide that can regulate the yarn path relatively stably, that is, against the force acting on the yarn in the yarn traveling direction and the force acting on the yarn in a direction different from the traverse direction. However, Patent Document 3 proposes a yarn traverse guide that can stably traverse the yarn without deviating from the yarn traverse guide.

This yarn traverse guide is provided with a yarn detachment prevention hook that crosses the yarn supplement groove provided in the yarn guide portion in the vicinity of the opening of the yarn supplement groove. If such a yarn traverse guide is used, even when a force in a direction different from the yarn traveling direction or traverse direction is applied to the yarn, the yarn does not deviate from the yarn traverse guide, and the yarn can be stably conveyed. You can traverse the article. However, there is a problem that the yarn hooking operation to the yarn traverse guide is difficult because the yarn detachment prevention hook becomes an obstacle.
Japanese Utility Model Publication No. 58-123862 JP-A-5-193835 Japanese Utility Model Publication No. 2-132069

  An object of the present invention is to provide a yarn traverse guide that solves the problems of the prior art described above. That is, an object of the present invention is not only to stably regulate the yarn path not only with a force in the traverse direction but also with a force in a direction different from the traverse direction, and a yarn that can be easily threaded. To provide a traverse guide.

  The yarn traverse guide according to the present invention for achieving the above object is as follows.

(A) a first guide member forming a first yarn guide;
(B) a second guide member forming a second yarn guide, and
(C) a guide mounting member that fixes the first guide member and the second guide member;
(D) The first guide member includes a first yarn introduction port provided at an outer edge of the first guide member and a first yarn extending inward of the first guide member from the first yarn introduction port. An introduction path,
(E) The second guide member includes a second yarn introduction port provided at an outer edge thereof and a second yarn extending inward of the second guide member from the first yarn introduction port. An introduction path,
(F) When the first yarn guide and the second yarn guide are projected on the same projection plane, both the first yarn guide and the second yarn guide are When the first yarn introduction path and the second yarn introduction path are projected on the same projection plane in a state where they do not overlap each other, at least a part of both overlap each other and there is a gap. Facing each other, a yarn traverse guide fixed to the guide mounting member ,
(G) a first direction in which a center line of the first yarn introduction path extends outward from the first guide introduction port from the first yarn introduction port and the second yarn introduction path; The angle formed by the second direction extending from the second yarn introduction port to the outside of the second guide member is a center line of more than 0 degrees and less than 180 degrees on the same projection plane, And the shape of the outer edge containing the said thread | yarn introduction port of any one of the said 1st guide member and the said 2nd guide member, or both is a convex shape toward the outward of the said guide member. Yarn traverse guide.

  In the yarn traverse guide of the present invention, it is preferable that at least one of the center line of the first yarn introduction path and the center line of the second yarn introduction path is a straight line.

  In the yarn traverse guide according to the present invention, either one of the first yarn introduction passage and the second yarn introduction passage, or both end portions thereof are arranged on the center line of the yarn introduction passage. It is preferably formed by a yarn introduction end path refracted in a direction different from the direction.

  In the yarn traverse guide of the present invention, it is preferable that both the first guide member and the second guide member are formed of plate-like bodies.

  In the yarn traverse guide of the present invention, it is preferable that either one of the first guide member and the second guide member is formed of a plate-like body, and the other is formed of two bars arranged in parallel.

  In the yarn traverse guide of the present invention, it is preferable that each of the two bars is composed of a rotatable roller (free roller).

  In the yarn traverse guide of the present invention, the end portion of the yarn introduction path of the plate-like body is formed by a yarn introduction end path refracted in a direction different from the direction of the center line of the yarn introduction path. When the yarn introduction end path and the yarn introduction path formed between the rotatable rollers are projected on the same projection plane, it is preferable that the directions coincide with each other.

  According to the yarn traverse guide of the present invention, the yarn does not deviate from the yarn traverse guide even when a force in a direction different from the yarn traveling direction or the traverse direction acts on the yarn. The state of being stably captured by the traverse guide is continued. In the yarn traverse guide of the present invention, the yarn can be easily threaded (introduced) into the yarn traverse guide. The yarn traverse guide of the present invention, like a turret (revolving) type yarn winding device, does not appear in the steady winding state that occurs during the automatic transfer of yarn from a full bobbin to an empty bobbin. It is preferably used in a yarn winding device in which a force in a direction different from the direction and the traverse direction acts on the yarn.

FIG. 1 is a schematic top view of a first yarn guide in one embodiment of the yarn traverse guide of the present invention. FIG. 2 is a schematic top view of a second yarn guide in an embodiment of the yarn traverse guide of the present invention used in combination with the first yarn guide of FIG. FIG. 3 is a schematic top view of an embodiment of the yarn traverse guide of the present invention comprising a combination of the first yarn guide of FIG. 1 and the second yarn guide of FIG. FIG. 4 is a schematic front view of the yarn traverse guide of FIG. FIG. 5 is a schematic side view of a part of the yarn winding device to which the yarn traverse guide of FIG. 3 is attached. FIG. 6 is a schematic front view of the yarn winding device shown in FIG. 5 and shows a state in which the yarn traverse guide is substantially at the center of the traverse width. FIG. 7 is a schematic front view of the yarn winding device of FIG. 5 and shows a state in which the yarn traverse guide is at the left end of the traverse width. FIG. 8 is a schematic front view of the yarn winding device of FIG. 5 and shows a state where the yarn traverse guide is at the right end of the traverse width. FIG. 9 is a schematic top view of a first yarn guide in another embodiment of the yarn traverse guide of the present invention. FIG. 10 is a schematic top view of a second yarn guide in another embodiment of the yarn traverse guide of the present invention used in combination with the first yarn guide of FIG. FIG. 11 is a schematic top view of another embodiment of the yarn traverse guide of the present invention comprising a combination of the first yarn guide of FIG. 9 and the second yarn guide of FIG. FIG. 12 is a schematic front view of the yarn traverse guide of FIG. FIG. 13 is a schematic side view of a part of the yarn winding device to which the yarn traverse guide of FIG. 11 is attached. FIG. 14 is a schematic front view of the yarn winding device shown in FIG. 13 and shows a state in which the yarn traverse guide is substantially at the center of the traverse width. FIG. 15 is a schematic front view of the yarn winding device of FIG. 14 and shows a state where the yarn traverse guide is at the left end of the traverse width. FIG. 16 is a schematic front view of the yarn winding device of FIG. 14 and shows a state in which the yarn traverse guide is at the right end of the traverse width.

Explanation of symbols

A: First guide member B: Second guide member C: First guide member D: Second guide member TG1: Yarn traverse guide TG2: Yarn traverse guide YW1: Yarn winding device YW2: Yarn Thread winding device a1: First yarn introduction end path (yarn gripping path)
a2: Second yarn introduction end path (yarn gripping path)
a3: First yarn introduction end path (yarn gripping path)
b1: First yarn introduction path b1c: Center line b2: Second yarn introduction path b2c: Center line b3: First yarn introduction path b3c: Center line b4: Second yarn introduction path b4c: Center line c1: First yarn introduction port c2: Second yarn introduction port c3: First yarn introduction port c4: Second yarn introduction port d1: Angle d2: Angle e: Gap 1: Yarn Thread 1a: Thread 2: Traverse guide rail 2a: Traverse guide rail 3: Pressure roller 3a: Pressure roller 4: Thread package 4a: Thread package 5: Winding bobbin 5a: Winding bobbin 6a: Bar (free roller)
6b: Bar (free roller)
7: Guide mounting member (guide support)
7a: Guide mounting member (guide support)
11a: outer edge 11b: outer edge 12a: outer edge 12b: outer edge 13a: guide member mounting portion 13b: guide member mounting portion 14a: screw hole 14b: screw hole 15a: screw 15b: screw 16a: first direction 16b: second direction 20: Space portion 21a: Outer edge 22a: Outer edge 23a: Guide member mounting portion 23b: Guide member mounting portion 24a: Screw hole 24b: Screw hole 25a: Screw 25b: Screw 26a: First direction 26b: Second direction

  Embodiments of the yarn traverse guide according to the present invention will be described with reference to the drawings.

  The yarn traverse guide of the present invention includes a first guide member that forms a first yarn guide, a second guide member that forms a second yarn guide, and these yarn guides at a certain position. It consists of a guide mounting member that is fixed in relation. 1 to 4 show an embodiment of the yarn traverse guide of the present invention.

  FIG. 1 is a top view of a first guide member A that forms a first yarn guide. In FIG. 1, the first guide member A is formed from a semicircular plate-like body. The first guide member A has a first yarn introduction port c1 provided at a part of the semicircular outer edge 11a and a first yarn introduction port c1 extending inward of the first guide member A. 1 yarn introduction path b1. The first yarn introduction port c1 and the subsequent first yarn introduction passage b1 are formed by slits carved in a plate-like body.

  The straight outer edge 12a of the first guide member A is bent upward to form a guide member mounting portion 13a. A screw hole 14a for attachment is provided in the guide member attachment portion 13a.

  The yarn path of the yarn is formed in a direction from the upper surface side to the lower surface side of the first guide member A, or in a direction from the lower surface side to the upper surface side. In threading the yarn onto the first yarn guide, the yarn is introduced from the first yarn introduction port c1 into the first yarn introduction path b1.

  The first guide member A further includes a first yarn introduction end where the end portion of the first yarn introduction path b1 is refracted in a direction different from the direction of the center line of the first yarn introduction path b1. It has a path (yarn gripping path) a1. Although FIG. 1 shows a case where the center line of the first yarn introduction path b1 is a straight line, it may be a curved line. In the case of a curve, since the yarn moves along the first yarn introduction path b1 while traveling in the vertical direction, it is preferably a curve that curves smoothly.

  FIG. 2 is a top view of the second guide member B forming the second yarn guide. In FIG. 2, the second guide member B is formed of a semicircular plate-like body. The second guide member B extends inward of the second guide member B from the second yarn introduction port c2 and the second yarn introduction port c2 provided in a part of the semicircular outer edge 11b. 2 yarn introduction paths b2. The second yarn introduction port c2 and the subsequent second yarn introduction passage b2 are formed by slits carved in the plate-like body.

  The straight outer edge 12b of the second guide member B is bent downward to form a guide member mounting portion 13b. A screw hole 14b for attachment is provided in the guide member attachment portion 13b.

  The yarn path of the yarn is formed in a direction from the upper surface side to the lower surface side of the second guide member B, or in a direction from the lower surface side to the upper surface side. In threading the yarn onto the second yarn guide, the yarn is introduced from the second yarn introduction port c2 into the second yarn introduction path b2.

  The second guide member B further includes a second yarn introduction end where the end portion of the second yarn introduction path b2 is refracted in a direction different from the direction of the center line of the second yarn introduction path b2. It has a path (yarn gripping path) a2. Although FIG. 2 shows a case where the center line of the second yarn introduction path b2 is a straight line, it may be a curved line. In the case of a curve, since the yarn moves along the second yarn introduction path b2 while traveling in the vertical direction, it is preferably a curve that curves smoothly.

  FIG. 3 is a schematic top view of an embodiment of the yarn traverse guide of the present invention comprising a combination of the first yarn guide of FIG. 1 and the second yarn guide of FIG. FIG. 4 is a schematic front view of the yarn traverse guide of FIG. 3 and 4, a yarn traverse guide TG1 includes a first guide member A that forms a first yarn guide, a second guide member B that forms a second yarn guide, and these members. It is formed from a guide attachment member (guide support tool) 7 for fixing.

  The first guide member A has a screw 15a inserted into a screw hole 14a provided in the guide member mounting portion 13a in the upper part of the guide support 7, and is fixed to the guide support 7 with the screw 15a. In the second guide member B, a screw 15b is inserted into a screw hole 14b provided in the guide member mounting portion 13b at the lower part of the guide support 7, and the first guide member A is inserted into the guide support 7 by the screw 15b. Is opposed to and fixed with a gap e.

  The first guide member A and the second guide member B are fixed to the guide support 7 with the following three positional relationships.

  First, when the first yarn introduction port c1 and the second yarn introduction port c2 are projected onto the same projection plane, they are in a positional relationship such that they do not overlap each other. Due to this positional relationship, deviation from the yarn traverse guide TG1 during traversing of the traveling yarn traversed by the yarn traverse guide TG1 is prevented.

  Secondly, when the first yarn introduction path b1 and the second yarn introduction path b2 are projected onto the same projection plane, at least a part of both overlap each other. This positional relationship allows the traversing running yarn to pass linearly through the yarn traverse guide TG1 in the steady state of the traverse.

  Thirdly, the first guide member A and the second guide member B are in a positional relationship having a gap e. This positional relationship facilitates threading of the yarn to the yarn traverse guide TG1. In other words, this positional relationship is such that the yarn is introduced from the first yarn introduction port c1 of the first guide member A into the first yarn introduction path b1 and the second yarn of the second guide member B. This facilitates the introduction of the yarn from the yarn introduction port c2 into the second yarn introduction path b2.

  The size of the gap e is selected in consideration of the thickness of the wound yarn and the like, but is preferably 1 mm or more and 50 mm or less, and more preferably 5 mm or more and 10 mm or less.

In FIG. 3, a first direction 16a in which the center line b1c of the first yarn introduction path b1 extends outward of the first guide member A from the first yarn introduction port c1 and the second yarn introduction. An angle d1 formed by the second direction 16b in which the center line b2c of the path b2 extends from the second yarn introduction port c2 to the outside of the second guide member B is shown. By setting the angle d1 to be greater than 0 degree and less than 180 degrees, the yarn is prevented from coming off from the yarn traverse guide TG1 during the traverse of the yarn, and the yarn is moved to the yarn traverse guide TG1. Makes threading easier . Angle d1 is preferably 90 degrees or less than 1 degree.

  In FIGS. 1 to 3, the center line b1c of the first yarn introduction path b1 and the center line b2c of the second yarn introduction path b2 are shown as straight lines, respectively. good. When the center line is a curve, the first direction 16a at the first yarn introduction port c1 is the tangential direction of the curve at the first yarn introduction port c1, or the second yarn introduction port c2. The second direction 16b at is the tangential direction of the curve at the second yarn introduction port c2. The center lines b1c and b2c and the first yarn introduction path b1 and the second yarn introduction path b2 are straight lines, respectively, so that the yarn can be easily threaded onto the yarn traverse guide TG1. Therefore, it is preferable.

  In the embodiment shown in FIGS. 1 to 4, the first yarn introduction terminal passage a1 is further provided on the first guide member A, and the second yarn introduction terminal passage a2 is provided on the second guide member B. Is provided. The first yarn introduction end path a1 and the second yarn introduction end path a2 are in a positional relationship in which both overlap when projected onto the same projection plane.

  The first yarn introduction end path a1 and the second yarn introduction end path a2 are not essential in the yarn traverse guide of the present invention. However, with these, the yarn can be more stably regulated by the yarn traverse guide. That is, even when a force in the yarn traveling direction and a force in a direction different from the traverse direction are applied to the yarn by the first yarn introduction end passage a1 and the second yarn introduction end passage a2. Since the yarn can be traversed more stably without deviating from the yarn traverse guide, the first yarn introduction end passage a1 is provided at the end portion of the first yarn introduction passage b1. However, it is preferable that a second yarn introduction end path a2 is provided at the end of the second yarn introduction path b2. When the first yarn introduction end path a1 and the second yarn introduction end path a2 do not exist, the yarn is connected to the first yarn introduction path b1 of the first guide member A and the first yarn introduction end path a2. The second guide member B passes through the second yarn introduction path b2.

In the yarn traverse guide of the present invention, as shown in FIG. 1, the shape of the outer edge 11 a including the first yarn introduction port c <b> 1 of the first guide member A is formed outward of the first guide member A. facing convex shape, and / or, as shown in FIG. 2, the shape of the outer edge 11b that includes a second yarn introducing port c2 of the second guide member B is, toward the outside of the second guide member B It should be convex.

  When the outer edges 11a and / or 11b are curved in a convex shape toward the outside of the guide member, the yarn is introduced into the yarn introduction port c1 of one yarn guide when the yarn traverse guide TG1 is traversed. Alternatively, after being introduced into the yarn introduction path b1 or b2 from c2, the yarn moves on the curved surface formed by the outer edge 11a or 11b of the other yarn guide, and the yarn introduction port c1 of the yarn guide Alternatively, the yarn is introduced into the yarn introduction path b1 or b2 from c2, and automatically threaded on the yarn traverse guide TG1, and the yarn is introduced to the steady traverse position of the yarn in the yarn introduction path.

  FIG. 5 is a schematic side view of a part of the yarn winding device YW1 equipped with the yarn traverse guide TG1 of the present invention shown in FIGS. The yarn winding device YW1 itself is a conventionally known yarn winding device.

  In FIG. 5, the winding bobbin 5 that rotates, the yarn package 4 formed on the winding bobbin 5, the pressure roller 3 that rotates in contact with the surface of the yarn package 4, and above the pressure roller 3. The traverse guide rail 2 positioned in the axial direction of the take-up bobbin 5, the yarn traverse guide TG1 supported by the traverse guide rail 2 and traversing in the direction of the traverse guide rail 2, and traversed by the yarn traverse guide TG1. The yarn 1 wound on the winding bobbin 5 while being in contact with the pressure roller 3 is shown.

  In FIG. 5, illustrations of the support and drive mechanism of the winding bobbin 5, the support and drive mechanism of the pressure roller 3, the support mechanism of the traverse guide rail 2, and the drive mechanism of the yarn traverse guide TG1 are omitted. These are all well known in the art.

  6, 7 and 8 are schematic front views of the yarn winding device YW1 shown in FIG. FIG. 6 shows a state where the yarn traverse guide TG1 is located at the center of the traverse width, FIG. 7 shows a state where the yarn traverse guide TG1 is located at the left end of the traverse width, and FIG. The state where the yarn traverse guide TG1 is located at the right end of the traverse width is shown.

  The yarn traverse guide TG1 has a desired traverse width along the traverse guide rail 2, and from the position of the yarn traverse guide TG1 shown in FIG. 7 to the position of the yarn traverse guide TG1 shown in FIG. 8 is continuously moved to the right in the drawing up to the position of the yarn traverse guide TG1 shown in FIG. 8, then changed in direction and moved to the left to perform one reciprocating motion. Thereafter, this reciprocating motion is continuously performed. In the meantime, the traveling yarn 1 is wound on the winding bobbin 5 while being traversed by the yarn traverse guide TG 1, thereby forming the yarn package 4.

  9 to 12 show another embodiment of the yarn traverse guide of the present invention.

  FIG. 9 is a top view of the first guide member C forming the first yarn guide. In FIG. 9, the first guide member C is formed from a semicircular plate-like body, and has a space 20 inside the plate-like body. The first guide member C includes a first yarn introduction port c3 provided at a part of the semicircular outer edge 21a and a first yarn extending toward the space 20 from the first yarn introduction port c3. It has an introduction path b3. The first yarn introduction port c3 and the subsequent first yarn introduction passage b3 are formed by slits carved in a plate-like body.

  A straight outer edge 22a opposite to the semicircular outer edge 21a of the first guide member C is bent upward to form a guide member mounting portion 23a. A screw hole 24a for attachment is provided in the guide member attachment portion 23a.

  The yarn path of the yarn is formed in a direction from the upper surface side to the lower surface side of the first guide member C, or in a direction from the lower surface side to the upper surface side. When the yarn is threaded onto the first yarn guide, the yarn is introduced from the first yarn introduction port c3 into the first yarn introduction path b3.

  The first guide member C further includes a first yarn introduction end where the end portion of the first yarn introduction path b3 is bent in a direction different from the direction of the center line of the first yarn introduction path b3. It has a path (yarn gripping path) a3. In FIG. 9, the center line of the first yarn introduction path b3 is shown as a straight line, but it may be a curved line. In the case of a curve, since the yarn moves along the first yarn introduction path b3 while traveling in the vertical direction, it is preferably a curve that curves smoothly. The space 20 side of the first yarn introduction end path a3 is open to the space 20.

  The first yarn introduction end path a3 is not essential in the yarn traverse guide of the present invention. However, since the first yarn introduction end path a3 is provided, the yarn can be more stably regulated by the yarn traverse guide. That is, even when a force in the yarn traveling direction and a force in a direction different from the traverse direction are applied to the yarn by the first yarn introduction end path a3, the yarn does not come off from the yarn traverse guide. Since the yarn can be traversed more stably, it is preferable that the first yarn introduction end passage a3 is provided at the end portion of the first yarn introduction passage b3. When the first yarn introduction end path a3 does not exist, the yarn passes through the first yarn introduction path b3 and the space portion 20.

  FIG. 10 is a top view of the second guide member D forming the second yarn guide. In FIG. 10, the second guide member D is formed of two bars 6 a and 6 b that are arranged in parallel at a distance and a guide member attachment portion 23 b to which the two bars 6 a and 6 b are attached. A second yarn introduction path b4 is formed by the gap between the two bars 6a and 6b, and a second yarn introduction port c4 is formed by the gap entrance. The guide member mounting portion 23b is provided with a screw hole 24b for mounting.

  The yarn path of the yarn is formed in a direction from the upper surface side to the lower surface side of the second guide member D, or in a direction from the lower surface side to the upper surface side. When the yarn is threaded onto the second yarn guide, the yarn is introduced from the second yarn introduction port c4 into the second yarn introduction path b4.

  In FIG. 10, each of the two bars 6a and 6b is formed by a free roller that is rotatably attached to the guide member attaching portion 23b, but may be a fixed bar that does not rotate. However, since the traveling yarn is introduced into the second yarn introduction path b4 and the yarn travels in contact with the two bars 6a and 6b during the traverse, the damage to the yarn is lessened. Each of the two bars 6a and 6b is preferably a free roller.

  FIG. 11 is a schematic top view of another embodiment of the yarn traverse guide of the present invention comprising a combination of the first yarn guide of FIG. 9 and the second yarn guide of FIG. FIG. 12 is a schematic front view of the yarn traverse guide of FIG. 11 and 12, a yarn traverse guide TG2 includes a first guide member C that forms a first yarn guide, a second guide member D that forms a second yarn guide, and these members. It is formed from a guide mounting member (guide support tool) 7a for fixing.

  In the first guide member C, a screw 25a is inserted into a screw hole 24a provided in the guide member mounting portion 23a at the upper part of the guide support 7a, and is fixed to the guide support 7a by the screw 25a. In the second guide member D, a screw 25b is inserted into a screw hole 24b provided in the guide member mounting portion 23b at the lower portion of the guide support 7a, and the first guide member C is inserted into the guide support 7a by the screw 25b. Is opposed and fixed with a gap e.

  The first guide member C and the second guide member D are fixed to the guide support 7a with the following three positional relationships.

  First, when the first yarn introduction port c3 and the second yarn introduction port c4 are projected onto the same projection plane, they are in a positional relationship such that they do not overlap each other. Due to this positional relationship, deviation from the yarn traverse guide TG2 during traversing of the traveling yarn traversed by the yarn traverse guide TG2 is prevented.

  Secondly, when the first yarn introduction path b3 and the second yarn introduction path b4 are projected onto the same projection plane, at least a part of both overlap each other. This positional relationship allows the traversing running yarn to pass linearly through the yarn traverse guide TG1 in the steady state of the traverse.

  Thirdly, the first guide member C and the second guide member D are in a positional relationship having a gap e. This positional relationship facilitates threading of the yarn on the yarn traverse guide TG2. In other words, this positional relationship is such that the yarn is introduced from the first yarn introduction port c3 of the first guide member C into the first yarn introduction path b3 and the second yarn of the second guide member D. This facilitates the introduction of the yarn from the yarn introduction port c4 into the second yarn introduction path b4. The size of the gap e is selected as in the case of the above-described yarn traverse guide TG1.

  In FIG. 11, the first direction 26a and the second yarn introduction where the center line b3c of the first yarn introduction path b3 extends from the first yarn introduction port c3 to the outside of the first guide member C. An angle d2 formed by the second direction 26b in which the center line b4c of the path b4 extends from the second yarn introduction port c4 to the outside of the second guide member D is shown. The magnitude of this angle d2 is selected in the same manner as in the case of the yarn traverse guide TG1 described above.

  In the yarn traverse guide TG2, when the first guide member C and the second guide member D are projected on the same projection surface in order to make it easier to thread the yarn on the yarn traverse guide TG2, The tips of the two bars (free rollers) 6a, 6b of the second guide member D are preferably located inside the outer edge 21a of the first guide member C. In this case, when the first guide member C has the first yarn introduction end path a3, the direction of the first yarn introduction end path a3 and the second guide member D second direction. It is more preferable that the direction with the yarn introduction path b4 is coincident in order to prevent the yarn from deviating from the yarn traverse guide TG2.

  In the yarn traverse guide TG2, while the yarn is in a steady winding state, the traveling yarn passes through the second yarn introduction path b4 of the second guide member D, and a bar (free roller) 6a, Traversed by 6b. In this state, when the first guide member C and the second guide member D are projected on the same projection plane, the center position of the space portion 20 of the first guide member C and the second guide member D second. It is preferable that the position of the yarn introduction path b4 matches. With this positional relationship, while the yarn is in the steady winding state, a state in which the traveling yarn in the traverse does not come into contact with the first guide member C is formed, and the traveling yarn in the traverse Fluff generation due to rubbing by the first guide member C is prevented. The yarn traverse guide TG2 having such a positional relationship is suitable as a yarn traverse guide in a yarn that is easily rubbed by contact with an object and easily generates fluff, for example, a carbon fiber winding device.

In the yarn traverse guide TG2, for easier yarn threading of the yarn into the yarn traverse guide TG2, the shape of the first guide member C of the outer edge 21a is, if it is convex toward the outside Good . By using this shape, when traversing the yarn traverse guide TG2 and threading the yarn, the yarn is automatically taken into the first yarn introduction path b3 from the first yarn introduction port c3. It is.

  FIG. 13 is a schematic side view of a part of the yarn winding device YW2 equipped with the yarn traverse guide TG2 of the present invention shown in FIGS. The yarn winding device YW2 itself is a conventionally known yarn winding device.

  In FIG. 13, the winding bobbin 5a that rotates, the yarn package 4a formed on the winding bobbin 5a, the pressure roller 3a that rotates in contact with the surface of the yarn package 4a, and the upper side of the pressure roller 3a. The traverse guide rail 2a located in the axial direction of the take-up bobbin 5a, and the yarn traverse guide TG2 supported by the traverse guide rail 2a and traversing in the direction of the traverse guide rail 2a, and traversed by the yarn traverse guide TG2. The yarn 1a wound on the winding bobbin 5a while being in contact with the pressure roller 3a is shown.

  In FIG. 13, illustration of the support and drive mechanism of the winding bobbin 5a, the support and drive mechanism of the pressure roller 3a, the support mechanism of the traverse guide rail 2a, and the drive mechanism of the yarn traverse guide TG2 is omitted. These are all well known in the art.

  14, 15 and 16 are schematic front views of the yarn winding device YW2 of FIG. FIG. 14 shows a state where the yarn traverse guide TG2 is located at the center of the traverse width, FIG. 15 shows a state where the yarn traverse guide TG2 is located at the left end of the traverse width, and FIG. The state where the yarn traverse guide TG2 is located at the right end of the traverse width is shown.

  The yarn traverse guide TG2 has a desired traverse width along the traverse guide rail 2a and passes through the position of the yarn traverse guide TG2 shown in FIG. 14 from the position of the yarn traverse guide TG2 shown in FIG. 16 continuously moves to the right in the drawing up to the position of the yarn traverse guide TG2 shown in FIG. 16, then changes direction and moves to the left, performs one reciprocating motion, and thereafter this reciprocating motion is continuously performed. Meanwhile, the traveling yarn 1a is wound on the winding bobbin 5a while being traversed by the yarn traverse guide TG2, thereby forming the yarn package 4a.

  The yarn traverse guide TG1 and the yarn traverse guide TG2 described above are formed by a first yarn guide formed from a first guide member and a second yarn guide formed from a second guide member. Although the two guides are arranged side by side, in the yarn traverse guide of the present invention, the number of guides to be combined is not limited to two, and may be three or more. However, considering the manufacturing cost of the guide and the maintenance surface of the yarn winding device, it is more economical that the yarn traverse guide is composed of two guides.

  The guide member used in the yarn traverse guide of the present invention only needs to be made of a material having sufficient strength against the force received from the yarn and the force received by the traverse motion. Examples of such a material include carbon steel, stainless steel, and ceramics. The surface roughness of the portion of the guide member that contacts the yarn is preferably 0.4 or more and 3.2 or less in terms of the centerline average roughness Ra measured by JIS-B0601.

  Next, examples and comparative examples of the present invention will be described.

  In the embodiment, the yarn can be stably traversed without deviating from the yarn traverse guide with respect to the force in the running direction of the yarn acting on the yarn or the force in the direction different from the traverse direction. The stability of the yarn path regulation, which is an indicator of whether or not it can be done, is determined by the yarn thread when the take-up bobbin (paper tube) is moved away from the pressure roller during winding of the yarn. Whether the yarn traverse guide is deviated from the traverse guide, the traverse width is 150 mm, the traverse 0 mm point (traverse width end), 150 mm point (the opposite end of the traverse width 0 mm), 75 mm point (traverse) Center of width) 37.5mm spot (center of 0mm spot and 75mm spot), 112.5mm spot (center of 75mm spot and 150mm spot) One in which the. The deviation of the yarn from the yarn traverse guide refers to a state in which the yarn is detached from the yarn traverse guide and cannot be traversed by the yarn traverse guide.

  In the embodiment, the ease of introduction (threading) of the yarn into the yarn traverse guide is determined by winding the yarn around the center of the winding bobbin (paper tube) and then using the winding bobbin (paper tube) as a pressure roller. The yarn is automatically introduced into the yarn traverse guide during one traverse (one reciprocation) from the point of contact, and the yarn deviates from the yarn traverse guide in the next one traverse (one reciprocation). It was determined by observing whether or not the above occurred. If the yarn is automatically introduced into the yarn traverse guide and the yarn does not deviate, it is judged as “good”. If the yarn is not automatically introduced into the yarn traverse guide, the yarn deviates. The case was “bad”.

    Carbon manufactured by attaching the yarn traverse guide TG1 shown in FIG. 3 to a turret (revolving) type yarn winding device (EKTW-CA type winder manufactured by Kozu Manufacturing Co., Ltd.) and carbonizing polyacrylonitrile fiber. The fiber bundle was wound around a winding bobbin (paper tube) having a yarn speed of 7 m / min, a traverse width of 150 mm, and an outer diameter of 80 mm.

  The angle d1 between the two guides constituting the yarn traverse guide TG1 (the first yarn guide made of the guide member A and the second yarn guide made of the guide member B) is 90 degrees, and the gap e is 10 mm. did.

  As shown in Table 1, when the take-up bobbin (paper tube) is moved away from the pressure roller, the yarn deviates from the yarn traverse guide TG1 regardless of the position of the yarn traverse guide TG1. There was no. In addition, after winding the yarn around the center of the winding bobbin (paper tube), the yarn is automatically introduced into the yarn traverse guide TG1 simply by bringing the winding bobbin (paper tube) into contact with the pressure roller. It was. Some fluff was observed on the carbon fiber bundle wound on the winding bobbin, but this was not a problem.

    Carbon manufactured by attaching the yarn traverse guide TG2 shown in FIG. 11 to a turret (revolving) type yarn winding device (EKTW-CA type winder manufactured by Kozu Manufacturing Co., Ltd.) and carbonizing polyacrylonitrile fiber. The fiber bundle was wound around a winding bobbin (paper tube) having a yarn speed of 7 m / min, a traverse width of 150 mm, and an outer diameter of 80 mm.

  The angle d2 between the two guides constituting the yarn traverse guide TG2 (the first yarn guide made of the guide member C and the second yarn guide made of the guide member D) is 50 degrees, and the gap e is 5 mm. did.

  As shown in Table 1, when the take-up bobbin (paper tube) is moved away from the pressure roller, the yarn deviates from the yarn traverse guide TG2 regardless of the position of the yarn traverse guide TG2. There was no. Also, after winding the yarn around the center of the winding bobbin (paper tube), the yarn is automatically introduced into the yarn traverse guide TG2 simply by bringing the winding bobbin (paper tube) into contact with the pressure roller. It was. The carbon fiber bundle wound around the winding bobbin was not fuzzy.

Comparative Example 1

  Except for changing the yarn traverse guide to that shown in FIG. 3 and FIG. 4 of Patent Document 3, the carbon fiber bundle is wound on the winding bobbin (paper tube) in the same manner as in Example 1. Winded up.

  In the used yarn traverse guide, the gap between the yarn catching groove and the tip of the yarn detachment prevention hook is 1 mm, and the end of the yarn detachment prevention hook is on the opposite side of the yarn catching groove. Each was arranged so as to be flush with the guide portion (to face the 0 mm point direction).

    As shown in Table 1, when the take-up bobbin (paper tube) is moved away from the pressure roller, the yarn does not deviate from the yarn traverse guide regardless of the position of the yarn traverse guide. It was. However, after the yarn is wound around the center of the winding bobbin (paper tube), the yarn is not automatically introduced into the yarn traverse guide simply by bringing the winding bobbin (paper tube) into contact with the pressure roller. Therefore, the yarn was manually introduced into the yarn traverse guide. Some fluff was observed on the carbon fiber bundle wound on the winding bobbin, but this was not a problem.

Comparative Example 2

  Using the yarn traverse guide used in Comparative Example 1, the carbon fiber bundle was wound around a winding bobbin (paper tube) in the same manner as in Comparative Example 1. However, each was arrange | positioned so that the clearance gap between a thread | yarn capture groove and the front-end | tip part of a thread | yarn detachment prevention hook might be 10 mm.

    As shown in Table 1, after winding the yarn around the center of the take-up bobbin (paper tube), the yarn is automatically turned into the yarn traverse guide by simply bringing the take-up bobbin (paper tube) into contact with the pressure roller Was introduced. However, when the take-up bobbin (paper tube) is moved away from the pressure roller, the yarn deviates from the yarn traverse guide when the yarn traverse guide is located at the 112.5 mm point and the 150 mm point. . Some fluff was observed on the carbon fiber bundle wound on the winding bobbin, but this was not a problem.

Comparative Example 3

  A carbon fiber bundle was wound around a winding bobbin (paper tube) in the same manner as in Example 1 except that the yarn traverse guide was changed to the one described in Patent Document 1.

  As shown in Table 1, after winding the yarn around the center of the take-up bobbin (paper tube), the yarn is automatically turned into the yarn traverse guide by simply bringing the take-up bobbin (paper tube) into contact with the pressure roller Was introduced. However, when the take-up bobbin (paper tube) was moved away from the pressure roller, the yarn deviated from the traverse guide at any point of the yarn traverse guide. The carbon fiber bundle wound around the winding bobbin was not fuzzy.

  According to the yarn traverse guide of the present invention, even when a force in a direction different from the yarn traveling direction or the traverse direction acts on the yarn, the yarn traverse does not come off from the yarn traverse guide. The state of being stably captured by the guide is continued. In the yarn traverse guide of the present invention, the yarn can be easily hooked onto the yarn traverse guide. The yarn traverse guide of the present invention, like a turret (revolving) type yarn winding device, does not appear in the steady winding state that occurs during the automatic transfer of yarn from a full bobbin to an empty bobbin. It is preferably used in a yarn winding device in which a force in a direction different from the direction and the traverse direction acts on the yarn.

Claims (7)

(A) a first guide member forming a first yarn guide;
(B) a second guide member forming a second yarn guide, and
(C) a guide mounting member that fixes the first guide member and the second guide member;
(D) The first guide member includes a first yarn introduction port provided at an outer edge of the first guide member and a first yarn extending inward of the first guide member from the first yarn introduction port. An introduction path,
(E) The second guide member includes a second yarn introduction port provided at an outer edge thereof and a second yarn extending inward of the second guide member from the first yarn introduction port. An introduction path,
(F) When the first yarn guide and the second yarn guide are projected on the same projection plane, both the first yarn guide and the second yarn guide are When the first yarn introduction path and the second yarn introduction path are projected on the same projection plane in a state where they do not overlap each other, at least a part of both overlap each other and there is a gap. Facing each other, a yarn traverse guide fixed to the guide mounting member ,
(G) a first direction in which a center line of the first yarn introduction path extends outward from the first guide introduction port from the first yarn introduction port and the second yarn introduction path; The angle formed by the second direction extending from the second yarn introduction port to the outside of the second guide member is a center line of more than 0 degrees and less than 180 degrees on the same projection plane, And the shape of the outer edge containing the said thread | yarn introduction port of any one of the said 1st guide member and the said 2nd guide member, or both is a convex shape toward the outward of the said guide member. Yarn traverse guide. The yarn traverse guide according to claim 1 , wherein at least one of a center line of the first yarn introduction path and a center line of the second yarn introduction path is a straight line. Yarn in which one or both of the first yarn introduction path and the second yarn introduction path are refracted in a direction different from the direction of the center line of the yarn introduction path. The yarn traverse guide according to claim 1 , wherein the yarn traverse guide is formed in a yarn introduction terminal path. The yarn traverse guide according to claim 1 , wherein both the first guide member and the second guide member are formed of plate-like bodies. The yarn traverse guide according to claim 1 , wherein one of the first guide member and the second guide member is formed of a plate-like body, and the other is formed of two bars arranged in parallel. The yarn traverse guide according to claim 5 , wherein each of the two bars comprises a rotatable roller. The end portion of the yarn introduction path of the plate-like body is formed by a yarn introduction termination path that is refracted in a direction different from the direction of the center line of the yarn introduction path, The yarn traverse guide according to claim 6 , wherein when the yarn introduction path formed between the rotatable rollers is projected onto the same projection plane, the respective directions coincide with each other.

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